521     BasicBlock *NewHeader = BI->getSuccessor(1);  in rotateLoop()  local
524       std::swap(Exit, NewHeader);  in rotateLoop()
525     assert(NewHeader && "Unable to determine new loop header");  in rotateLoop()
526     assert(L->contains(NewHeader) && !L->contains(Exit) &&  in rotateLoop()
531     assert(NewHeader->getSinglePredecessor() &&  in rotateLoop()
533     FoldSingleEntryPHINodes(NewHeader);  in rotateLoop()
741           NewHeader->getFirstNonPHIIt();  in rotateLoop()
746         NewNAD->insertBefore(*NewHeader, NewHeaderInsertionPoint);  in rotateLoop()
752         auto &Context = NewHeader->getContext();  in rotateLoop()
777         LLVM_DEBUG(NewHeader->dump());  in rotateLoop()
816     L->moveToHeader(NewHeader);  in rotateLoop()
817     assert(L->getHeader() == NewHeader && "Latch block is our new header");  in rotateLoop()
825       Updates.push_back({DominatorTree::Insert, OrigPreheader, NewHeader});  in rotateLoop()
849         PHBI->getSuccessor(cast<ConstantInt>(Cond)->isZero()) != NewHeader;  in rotateLoop()
861                                             OrigPreheader, NewHeader,  in rotateLoop()
863       NewPH->setName(NewHeader->getName() + ".lr.ph");  in rotateLoop()
890       BranchInst *NewBI = BranchInst::Create(NewHeader, PHBI->getIterator());  in rotateLoop()